Keyboard: 73 keys. Semi Weighted Keyboard. Velocity sensitive is supported, after touch is not supported. Standard C1 - C7 (transposable in the range [C0...C6]-[C2...C8]).

System: EDS-X（Enhanced Definition Synthesis - eXpanded).

Sounds:

• Maximum Polyphony: 120 voices (120 Oscillators) / Single Mode, 60 voices (120 Oscillators) / Double Mode. The maximum simultaneous voice polyphony will vary depending on oscillator settings, velocity crossfading and whether you are using mono or stereo multisamples.
• PCM Memory: 4 GB (In case of 48 kHz, 16-bit Linear PCM converted). 728 multisamples (including 44 Stereo multi-samples). 2,502 drumsamples (including 574 Stereo Drumsamples ).

Program:

• Oscillator: OSC1 (Single); OSC1 + 2 (Double): Stereo multisamples are supported 8 velocity zones per oscillator with switching, crossfades and layers.
• Filters: Four types of filter routing (single, serial, parallel, 24 dB). Two multi-mode filters per oscillator (low pass, high pass, band pass, band reject).
• Driver: Per-voice nonlinear driver and low boost.
• EQ: Three bands, with sweepable mid.
• Modulation: For each oscillator, two envelope generators (Filter & Amp), two LFOs, two key tracking generators (Filter & Amp), two AMS mixers, Pitch EG, Common LFO, two common key tracking generators.

Combination:

• Timbre Number: Max 16. For each Timbre, keyboard and velocity split/layer/crossfades. Modifications to the program settings via the Tone Adjust function.

Drum Kit: Stereo and mono drum samples. 8 velocity zones switch (crossfades and layers).

The number of Combination / Program / Drum Kit:

• User Combination: 768 Combination (512 Preload).
• User Program: 1536 Program (896 Preload).
• User Drum Kit: 80 Drum Kit (48 Preload).
• Preset Program: 256 GM2 Program + 9 GM2 Drums Program.

Effects:

• Insert Effects: 5 Insert Effects (stereo in/out).
• Master Effects: 2 Master Effects (stereo in/out).
• Total Effect: 1 Total Effect (stereo in/out).
• Timbre / Track EQ: 3-band EQ per in 1 Timbre / in 1 Track.
• Effect Types: 193 types (Usable as insert, master, or total effects. However, double-size effects cannot be used as a total effect.).
• Modulation: Dynamic Modulation, 2 Common LFO.
• Effects Control Busses: Stereo side chain (Limiter, Gate, Vocoder etc.).
• Effect Preset: 32 preset per effect.

Polyphonic Arpeggiator:

• Program Mode: 1 unit.
• Combination, Sequencer Mode: 2 units are available.
• Number of pattern: 5 preset Arpeggio pattern, 1,088 User Arpeggio pattern (960 Preload).

Drum Track:

• Preset Patterns: 710 patterns (Common with the preset pattern of the Sequencer mode).
• User Patterns: 1,000 patterns (Pattern created in Sequencer mode can be converted to drum track user pattern).
• Others: Configurable “Trigger Mode / Sync / Zone”.

Sequencer:

• Tracks: 16-track + 1 master track.
• Number of Songs: 128 Songs.
• Resolution: 1/480.
• Tempo: 40.00 - 300.00 (1/100 BPM resolution).
• Maximum memory: 210,000 MIDI events.
• Template Songs: 16 preset / 16 user template songs.
• Cue List function: 20 Cue List. Songs can be arranged consecutively or repeatedly in up to 99 steps, a cue list can be converted back into a song.
• Pattern / RPPR (Realtime Pattern Play and Recording): 710 Preset / 100 User pattern (Per song). 1 pattern set per song.
• Format: KORG (KROME) format, SMF format 0 and 1.

Media: Load, Save, Utility, Data filer functionality (Save and Load MIDI System Exclusive Data).

Controllers:

• Controllers: Joystick, SW [1], SW [2].
• Realtime Control: [SELECT] Switch: TONE, USER, ARP. 4 Knobs: Modulation, User, Arpeggio control.
• Drum Track: [DRUM TRACK] Switch: On/Off.
• Arpeggiator: [ARP] Switch: On/Off.

User Interface:

• Display:  Touch view graphical User Interface, 7 -inch Color TFT LCD, 800 x 480 pixel, Onboard LCD brightness control.
• Mode Switches: [COMBI], [PROG], [SEQ], [GLOBAL], [MEDIA] Switch.
• VALUE controllers: [VALUE] Dial, [INC], [DEC] Switches, 10 key block ([0] - [9], [-], [.], [ENTER], [COMPARE]).
• BANK Switches: [A], [B], [C], [D], [E], [F] switches (in Combination mode, [A], [B], [C], [D] switches are available).
• SEQUENCER switches: [PAUSE]、[REW]、[FF]、[LOCATE]、[REC]、[START／STOP].
• TEMPO: tempo.
• Others: [PAGE] switch, [WRITE] switch, [EXIT] switch, [VOLUME] knob, Contrast knob.

Outputs:

• AUDIO OUTPUT, L／MONO, R: 6,3 mm (Mono) Phone jack, Unbalanced. Output Impedance: 1.1kOhm (L / Mono terminal: in case of Mono output, = 550 Ohm). Maximum level: +16.0 dBu, Load Impedance: more than 10 kOhm.
• Headphone Output: 3,5 mmStereo phone jack. Output Impedance: 33Ohm. Maximum level: 60 + 60 mW (In case of 33 Ohm Loaded).

Control Input: DAMPER (Half Damper supported), ASSIGNABLE SWITCH, ASSIGNABLE PEDAL.

Others:

• MIDI: IN, OUT.
• USB: USB-MIDI Interface (TYPE B) x 1.
• SD Card Slot: Max 2 GB / SD Memory Card is supported. Max: 32 GB/ SDHC Memory Card is supported (SDXC Memory Card is not supported).

Principle specifications:

• Power: Power supply (DC12V 3,5 A), POWER switch.
• Power Consumption: 13 W.
• Included Items: AC adapter.
• Dimensions: 1191 x 313 x 93 mm.
• Weight: 8,2 kg.
• Colour: Black